MLA

Xing, Huilin, and Xiwei Xu. M8.0 Wenchuan Earthquake. Springer Berlin Heidelberg, 2011.

APA

Xing, H., & Xu, X. (2011). M8.0 Wenchuan Earthquake. Springer Berlin Heidelberg.

Chicago

Xing, Huilin, and Xiwei Xu. M8.0 Wenchuan Earthquake. : Springer Berlin Heidelberg, 2011.